Answer:
Explanation:
1. If we enter to the BIOS we can enable or disable components, we can find the issue with this option.
2. In the BIOS we can set or reset power-on passwords, this option is really important to administrate our access and passwords.
3. We can change the date and time of the system, some troubles are only for that.
Implement the make change algorithm you designed in the previous problem. Your program should read a text file "data.txt" where each line in "data.txt" contains three values c, k and n. Please make sure you take your input in the specified order c, k and n. For example, a line in "data.txt" may look like the following:3 4 38
where c = 3,k = 4,n = 38. That is, the set of denominations is {30,31,32,33,34} = {1,3,9,27,81}, and we would like to make change for n = 38. The file "data.txt" may include multiple lines like above.
The output will be written to a file called "change.txt", where the output corresponding to each input line contains a few lines. Each line has two numbers, where the first number denotes a de- nomination and the second number represents the cardinality of that denomination in the solution. For example, for the above input line ‘3 4 38’, the optimal solution is the multiset {27, 9, 1, 1}, and the output in the file "change.txt" is as follows:
27 1 91 12
which means the solution contains 1 coin of denomination 27, one coin of 9 and two coins of denomination
Answer:
Answer explained below
Explanation:
Below is the code for Greedy change algorithm in C++. Please let me know what does c ,k and represent in the question. so that i can update according to requirement
#include <bits/stdc++.h>
using namespace std;
int deno[] = { 1, 3,9,27,81 };
int n = sizeof(deno) / sizeof(deno[0]);
void findMin(int V)
{
// Initialize result
vector<int> ans;
// Traverse through all denomination
for (int i = n - 1; i >= 0; i--) {
// Find denominations
while (V >= deno[i]) {
V -= deno[i];
ans.push_back(deno[i]);
}
}
// Print result
for (int i = 0; i < ans.size(); i++)
cout << ans[i] << " ";
}
int main()
{
int n = 38;
cout << "Following is minimal number of change for " << n << ": ";
findMin(n);
return 0;
}
In this exercise we examine in detail how an instruction is executed in a single-cycle datapath. Problems in this exercise refer to a clock cycle in which the processor fetches the following instruction word:
10101100100001010000000000010100
Assume that the data memory is all zeros and that the processor’s registers have the following values at the beginning of the cycle in which the above instruction word is fetched:
R0 R1 R2 R3 R4 R5 R6 R8 R12 R31
0 1 -2 3 -4 5 -6 -8 -12 31
a, What are the outputs of the sign-extend and the jump "Shift-Left-2" (near the top of Figure 4.24) for this instruction word?
b, What are the values of ALU control unit’s inputs (ALUOp and Instruction operation) for this instruction?
c, What is the new PC address after this instruction is executed? Highlight the path through which this value is determined.
d, For the ALU and the two add units, what are their data input values?
e, What are the values of all inputs for the "Registers" unit?
Following are the responses to the given question:
Given instruction:
[tex]10101100100001010000000000010100[/tex]
For point A)
Sign extend and leap "shift left 2": The sign extend can be determined by taking the LSB 16 bits and expanding it to 32 bits.
Sign Extend
[tex]00000000000000000000000000010100[/tex]
A jump command "shift left 2" can be discovered by extracting the LSB 26 bit and shifting left by 2 bits.
Jump Shift Left 2
[tex]0010000101000000000001010000[/tex]
For point B)
ALU control units' inputs are as follows:
Its ALUop has two LSBs.
[tex]ALUop\\\\00[/tex]
The instructions are a 6 bit LSB instruction.
Instruction
[tex]010100[/tex]
For point C)
New PC address:
[tex]New PC Address \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Path \\\\ PC+4 \ \ \ \ \ \ \ \ PC \to Add (PC +4) \to Branch MUX \to Jump MUX \to PC[/tex]
For point D)
Input values:
[tex]ALU \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Add (PC+4) \ \ \ \ \ \ \ \ \ \ \ Add (Branch)[/tex]
[tex]In put \#1 \ \ \ In put \# 2 \ \ \ \ In put \# 1 \ \ \ In put \# 2 \ \ \ \ In put \# 1 \ \ \ In put \# 2\\\\[/tex]
[tex]-4 \ \ \ \ 20 \ \ \ \ \ \ PC \ \ \ \ 4 \ \ \ \ \ \ PC+4 \ \ \ \ 20*4[/tex]
For point E)
Calculating the inputs into the "Registers" units:
[tex]\text{Bits\ 25-21 specify the Read Reg#1} \\\\\text{Bits\ 20-16 specify the Read Reg#2}[/tex]
[tex]Read \ \ \ \ \ \ Read \\\\Reg\#1 \ \ \ \ \ \ Reg\#2 \ \ \ \ \ \ WriteReg \ \ \ \ \ \ WriteData\ \ \ \ \ \ RegWrite[/tex]
[tex]4 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 5 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ X \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ X \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 0[/tex]
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Tweaking existing technology in a new way is usually called _____. leveraged creativity state-of-the-art breakthrough applications engineering product adaptation
Answer: Leveraged creativity
Explanation:
Improving functionality and performance of any technology through new and unique methods so that it can lift above the competing organization and technologies. Experts and guides try innovating the technology through various attempts which is caused by maximizing advantage through creativity.
Other options are incorrect because application engineering, adaptation of product and state of art breakthrough does not influence the technology to rise above the competing companies.Thus, the correct option is leveraged creativityRecursively computing the sum of the first n positive odd integers. About (a) Give a recursive algorithm which takes as input a positive integer n and returns the sum of the first n positive odd integers.
Explanation:
Following are the Algorithm of the program:
Step-1: Start.
Step-2: Define function 'sum_of_odd(num)'.
Step-3: Check, If num < 1
Then, return 0.
Otherwise, else
Then, return (2 * n - 1) + sum_odds(n - 1) .
Step-4: Call the function.
Step-5: Stop.
Write a while loop that prints that number doubled without reaching 100. Follow each number with a space. After the loop, print a newline. Ex: If num Insects = 8, print: 8 16 32 64
Answer:
The program to this question as follows:
Program:
#include <iostream> //defining header file
using namespace std;
int main() //defining main method
{
int n; //defining integer variables
cout<<"Enter number: "; //message
cin>>n; //input value by user
while (n< 100) //loop for check condition
{
cout<<n<<" ";//print value
n=n*2; //calculate value
}
return 0;
}
Output:
Enter number: 8
8 16 32 64
Explanation:
In the above C++ language code, a header file is included, then defining the main method, inside the method an integer variable n is defined, which is used for user input for calculating their double number.
In the next step, The while loop is declared, and the loop variable n range is defined, that its value is less than 100, inside the loop the variable n is used to calculate, its double number, and print function "cout" to print its value.
What is the largest numeric value that could be represented with three bytes if each digit were encoded using one ASCII pattern per byte? What if binary notation were used?
The largest numeric value that can be represented in 3 bytes is 224
Explanation:
commonly, to represent a 999 number, 10 bits are used.But with 3 bytes, it can save or store integer with the range from 0 to 224-1 in the 24 bits. (3 * 8 bits =24 bits).Then the binary notation is used for encoded numeric data in order to store in the computer storage device.Final answer:
The largest value with three bytes using ASCII is 127127127, but for practical numerical storage in binary notation, the largest value with three bytes is 16777215, represented as 11111111 11111111 11111111 in binary.
Explanation:
The largest numeric value that could be represented with three bytes using one ASCII pattern per byte depends on the ASCII printable characters range. ASCII characters are represented within the range of 0 to 127, therefore in three bytes, the largest decimal values you could represent would be 127127127. However, this is not typically how numeric values are stored.
When using binary notation, each byte consists of 8 bits, and the maximum value for each bit is 1. Therefore, the largest value in a single byte is 11111111, which is 255 in decimal. Hence, in three bytes, the largest decimal number that can be stored is 16777215 (which is 11111111 11111111 11111111 in binary).
Create an E-R Diagram for the following:An art museum owns a large volume of artworks. Each artwork is described by an item Id (identifier), title, type, and size; size is further composed of height, width, and weight. A work of art is developed by an artist, but the artist for some works is unknown. An artist is described by an artist ID (identifier), name, date of birth, and date of death (which is null for still living artists). Notice that the name of the artist is a composite attribute, composed of first, last and preferred names and it cannot be empty. The artist DOB is also required). Data about both artists of works currently owned by the museum and artists that have otherwise been featured in the museum are kept in the database. At any point in time, a work of art is either on display at the museum, held in storage, away from the museum as part of a traveling show, or on loan to another gallery. If on display at the museum, a work of art is also described by its location within the museum. A traveling show is described by a show ID (identifier), and the start and end dates of the show. Many of the museum works may be part of a given show, and only active shows with at least one museum work of art need be represented in the database. Every show may be visiting multiple cities and therefore has a schedule associated with it, listing the city visited, the start and end dates and the contact phone number. There may be more than 1 contact phone numbers and all the attributes are required. Notice that there is only one schedule associated with each show but the same schedule can be used more than once for shows that are travelling together. Only schedules that have been used for shows are stored in the database. Finally, another gallery is described by a gallery ID (identifier), name, and city. The museum wants to retain a complete history of loaning a work of art to other galleries, and each time a work is loaned, the museum wants to know the date the work was loaned and the date it was returned. As you develop the ERD for this problem, follow good data naming guidelines.
An ER Diagram can be created for an art museum scenario, including entities like Artwork, Artist, Show, ShowCity, ShowSchedule, Gallery, and Loan.
Explanation:ER Diagram for Art MuseumThe ER Diagram for the given scenario can be created with the following entities:
Artwork (itemId, title, type, height, width, weight)Artist (artistId, firstName, lastName, preferredName, dateOfBirth, dateOfDeath)ArtworkArtist (itemId, artistId)Show (showId, startDate, endDate)ShowCity (showId, city)ShowSchedule (showId, startDate, endDate, contactPhone)Gallery (galleryId, name, city)Loan (itemId, galleryId, loanDate, returnDate)The relationships between the entities can be represented as follows:
Artwork is developed by Artist (1 to many relationship)Show has Artwork (many to many relationship)Show has ShowCity (1 to many relationship)Show has ShowSchedule (1 to many relationship)Artwork can be on Loan to Gallery (many to many relationship)Suppose that someone suggests the following way to confirm that the two of you are both in possession of the same secret key. You create a random bit string the length of the key, XOR it with the key, and send the result over the channel. Your partner XORs the incoming block with the key (which should be the same as your key) and sends it back. You check and if what you receive is your original random string, you have verified that your partner has the same secret key, yet neither of you has ever transmitted the key. Is there a flaw in this scheme?
*Please dont only give me the answer but also explain WHY, maybe use "//" or "*" Important homework assignment
Answer:
The given question is discussed below in detail.
OR and XOR are used to make the concepts clear instead of the signs "//" and "*" .
First of all the senders and users key will be analyzed.
I hope it will help you!
Explanation:
The true statement is that the scheme is prone to attacks.
From the question, we understand that:
The result when the string and its length are XOR is sent to the partnerThe partner decodes the message and sends it backThe above highlight shows a complete communication, where:
You send K XOR R to your partnerYour partner returns R back to youHowever, there is a flaw in the scheme
The flaw in the scheme is that, the scheme is prone to attacks.
Where the values that are being communicated are visible to the attacker;
The attacker can then make several computations to alter the code that is being sent
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Some variables have been assigned for you and the output statements have been written. Read the starting code carefully before you proceed to the next step. Write the Python code needed to perform the following: Calculate state withholding tax (stateTax) at 6.5 percent Calculate federal withholding tax (federalTax) at 28.0 percent. Calculate dependent deductions (dependentDeduction) at 2.5 percent of the employee’s salary for each dependent. Calculate total withholding (totalWithholding) as stateTax + federalTax + dependentDeduction. Calculate take-home pay (takeHomePay) as salary - totalWithholding Execute the program by clicking the Run button at the bottom. You should get the following output: State Tax: $81.25 Federal Tax: $350.00000000000006 Dependents: $62.5 Salary: $1250.0 Take-Home Pay: $756.25 In this program, the variables named salary and numDependents are initialized with the values 1250.0 and 2. To make this program more flexible, modify it to accept interactive input for salary and numDependents.
Answer:
salary = 1250
numofDependents = 2
stateTax = (6.5/100)*salary
federalTax = (28/100)*salary
dependentDeduction = ((2.5/100)*salary)*(numofDependents)
totalWithHolding = stateTax+federalTax+dependentDeduction
takeHomePay = salary - totalWithHolding
print('State Tax: {}'.format(stateTax))
print('Federal Tax: {}'.format(federalTax))
print('Dependents: {}'.format(dependentDeduction))
print('Salary: {}'.format(salary))
print('Take Home: {}'.format(takeHomePay))
MODIFIED TO ACCEPT FOR SALARY AND NUMBER OF DEPENDENTS
salary = float(input("Please enter your salary: "))
numofDependents = int(input("How many dependents do you have "))
stateTax = (6.5/100)*salary
federalTax = (28/100)*salary
dependentDeduction = ((2.5/100)*salary)*(numofDependents)
totalWithHolding = stateTax+federalTax+dependentDeduction
takeHomePay = salary - totalWithHolding
print('State Tax: {}'.format(stateTax))
print('Federal Tax: {}'.format(federalTax))
print('Dependents: {}'.format(dependentDeduction))
print('Salary: {}'.format(salary))
print('Take Home: {}'.format(takeHomePay))
Explanation:
See the attached screen shot for the input and program output
The input Statement in python is used to receive and store the values for salary and number of dependents
Final answer:
To calculate the taxes and take-home pay in Python, modify the code to accept user input for salary and dependents, then calculate state and federal tax, dependent deductions, total withholding, and take-home pay. The input is processed to dynamically produce the specified outputs, including taxes and deductions.
Explanation:
To calculate the taxes and take-home pay in Python, we would start by modifying the initial code to accept user input for the salary and the number of dependents. This can be done using the input() function in Python. After obtaining these inputs, we apply the specified rates to calculate state withholding tax, federal withholding tax, and dependent deductions. Finally, we calculate the total withholding and take-home pay.
Here is an example of how the code could look:
salary = float(input('Enter your salary: '))
numDependents = int(input('Enter the number of dependents: '))
stateTax = salary * 0.065
federalTax = salary * 0.28
dependentDeduction = salary * 0.025 * numDependents
totalWithholding = stateTax + federalTax + dependentDeduction
takeHomePay = salary - totalWithholding
print(f'State Tax: $',stateTax)
print(f'Federal Tax: $',federalTax)
print(f'Dependents: $',dependentDeduction)
print(f'Salary: $',salary)
print(f'Take-Home Pay: $',takeHomePay)
This code snippet will dynamically calculate the taxes and take-home salary based on the user's input, making the program more useful and interactive.
write a program that takes 10 numbers as input and displays the mode of the numbers using parallel arrays and a method that takes an array of numbers as a parameter and returns the value that appears most often in the array
Answer:
The Java program is explained below
Explanation:
public class ArrayMode {
public static int mode(int arr[]) {
int maxValue = 0, maxCount = 0;
for (int i = 0; i < arr.length; ++i) {
int count = 0;
for (int j = 0; j < arr.length; ++j) {
if (arr[j] == arr[i])
++count;
}
if (count > maxCount) {
maxCount = count;
maxValue = arr[i];
}
}
return maxValue;
}
public static void main(String args[]) {
int arr[] = { 9, 5, 3, 8, 5, 12, 19, 5, 11 };
System.out.println("The set of numbers are: ");
for (int i = 0; i < arr.length; i++)
System.out.print(arr[i] + " ");
System.out.println("\nThe mode of the set is: " + mode(arr));
}
}
In this recitation assignment, will write a complete C program that accepts as input any two integers from the user and swaps both integers using bitwise operators only without a third variable. E
Answer:
#include<iostream>
using namespace std;
int main()
{int num1,num2;
cout<<"enter 2 numbers:"<<endl;
cinn>>num1;
cinn>>num2;
cout<<("value without swapping of num1",num1);
cout<<("value without swapping of num2",num2);
num1 ^= num2;
num2 ^= num1;
num1 ^= num2;
cout<<("num1 after swapping",num1);
cout<<("num2 after swapping,num2);
return 0;
}
Given the following program segment, what is the test condition?
Write "Enter your response (Y/N)"
Input Answer
If Answer == "No" Then
Write "Try Again"
Input Answer
End If
Write "Are you having fun yet? (Y/N)"
Input Response
a. Answer
b. Answer == "No"
c. Response
d. Answer = "Y"
Answer:
B. Answer == "No"
Explanation:
The test condition from the code segment is If Answer == "No". The if-statement checks to see if the user input (Answer) equals "No", if it is then the code display "Try Again" and request the user to enter another input (Answer).
The general pattern for writing an if-statement is:
if (condition) then expression
The condition represent the test condition.
Assume you have a byte-addressable machine that uses 32-bit word (integers are 32-bit) and you are storing the following information: the string Inventory followed by a value (569)10 followed by another string Price followed by a value (49.75)10. Also, assume that floating point numbers are stored as single-precision IEEE 754 with 127 excess. a) Show (as hex numbers with word boundary) how this is stored on a big-endian machine. b) Show (as hex numbers with word boundary) how this is stored on a little-endian machine.
Final answer:
The question involves displaying how a string and numerical data will be stored in hexadecimal format in memory on a machine with both big-endian and little-endian architectures. The storage pattern involves converting ASCII strings and numbers into hexadecimal format and then storing them sequentially in memory according to the endianess. Exact hexadecimal values would require ASCII and IEEE 754 format conversions.
Explanation:
The given question involves storing textual and numerical data on a byte-addressable machine that uses 32-bit integers and single-precision floating-point format, according to the IEEE 754 standard. The data to be stored includes a string 'Inventory', a decimal integer value (569)10, a string 'Price', and a decimal floating-point number (49.75)10. We are asked to show how this information would be stored in both big-endian and little-endian representation. Firstly, we need to translate the ASCII strings and numerical values into hexadecimal, suitable for storage in memory:
The string 'Inventory' is broken into 32-bit words and converted to hexadecimal.
The integer value 569 is represented in hexadecimal as 0x00000239.
The string 'Price' is similarly broken into 32-bit words and converted to hexadecimal.
The floating-point number 49.75 is converted into IEEE 754 single-precision format and represented in hexadecimal.
For big-endian representation, the most significant byte (MSB) is stored at the lowest memory address:
Each character of 'Inventory' and 'Price' is represented by its ASCII hexadecimal value and stored in sequential memory addresses, starting with the MSB.
The integer and floating-point numbers are stored with their MSB first in the 32-bit word boundary.
For little-endian representation, the least significant byte (LSB) is stored at the lowest memory address:
Each character of 'Inventory' and 'Price' is represented in reverse order compared to big-endian.
The integer and floating-point numbers are also reversed, with the LSB first.
The exact hexadecimal values in memory would depend on the binary representations of the strings and the specifics of the IEEE 754 conversion process for the number 49.75.
Write the missing statements in the following program so that:
1. it prompts the user to input two numbers.
2. If one of the numbers is 0, the program should output a message indicating that both numbers must be nonzero.
3. If the first number is greater than the second number, it outputs the first number divided by the second number;
4. if the first number is less than the second number, it outputs the second number divided by the first number; otherwise, it outputs the product of the numbers.
C++ PROGRAM:#includeusing namespace std;int main(){ double firstNum, secondNum, thirdNum; double output; //missing statements return 0;}
Answer:
The missing code for the above problem is as follows:
Explanation:
Missing code :
cin>>firstNum>>secondNum; // for the first case.
if(firstNum==0||secondNum==0) // for the second case.
cout<<"Both the inputed numbers must be nonzero."; // for the second case.
else if (firstNum>secondNum) // for the third case
cout <<firstNum/secondNum; // for the third case.
else if(secondNum>firstNum) // for the fourth case.
cout <<secondNum/firstNum; // for the fourth case.
else // for the fourth case.
cout<<firstNum*secondNum; // for the forth case.
Output:
If the user input as 1 and 0, then the output is "Both the inputted numbers must be nonzero.",If the user input is 4 and 2 then the output is 2.If the user input is 2 and 4 then the output is 2.Code Explanation:
The above code has to paste in the place of "Missing code" on the question program code.All problem, which is defined in the question can be programmed by the help of the if-else statement. The compiler first checks the if condition and then it checks the else-if and then else if the above condition is false.This function receives first_name and last_name, then prints a formatted string of "Name: last_name, first_name" if both names are not blank, or "Name: " with just one of the names, if the other one is blank, and nothing if both are blank.
Answer:
Following are the program in the C++ Programming Language.
//set header file
#include <iostream>
//set namespace
using namespace std;
//define class
class format
{
//set access modifier
public:
//set string type variable
string res;
//define function
void names(string first_name, string last_name)
{
//set if-else if condition to check following conditions
if(first_name.length()>0 && last_name.length()>0)
{
res="Name: "+last_name+", "+first_name;
}
else if(first_name.length()>0 and last_name.length()==0)
{
res="Name: "+first_name;
}
else if(first_name.length()==0 and last_name.length()==0)
{
res="";
}
}
//define function to print result
void out(){
cout<<res<<endl;
}
};
//define main method
int main() {
//set objects of the class
format ob,ob1,ob2;
//call functions through 1st object
ob.names("John","Morris");
ob.out();
//call functions through 2nd object
ob1.names("Jhon","");
ob1.out();
//call functions through 3rd object
ob2.names("", "");
ob2.out();
}
Output:
Name: Morris, John
Name: Jhon
Explanation:
Following are the description of the program:
Define class "format" and inside the class we define two void data type function.Define void data type function "names()" and pass two string data type arguments in its parameter "first_name" and "last_name" then, set the if-else conditional statement to check that if the variable 'first_name' is greater than 0 and 'last_name' is also greater than 0 then, the string "Name" and the following variables added to the variable "res". Then, set else if to check that if the variable 'first_name' is greater than 0 and 'last_name' is equal to 0 then, the string "Name" and the following variable "first_name" added to the variable "res".Define void data type function "out()" to print the results of the variable "res".Finally, we define main method to pass values and call that functions.Janice is the sole owner of Catbird11 Joel is the sole shareholder of Manatee Corporation, a C corporation. Because Manatee's sales have increased igni cantl over the last several years, Joel has determined that the corporation needs a new distribution warehouse. Joel has asked your advice as to whether (1) Manatee should purchase the warehouse or (2) he should pt1rchase the warehot1se and lease it to Manatee. What relevant tax issues w ill you discuss with Joel?
Answer:
Answer explained below
Explanation:
Joel is the sole shareholder of Manatee Corp. C Corporation has separate legal identity and limited liability for the owner but the double taxation is its demerit as its revenue is taxed at the company level and again as shareholder dividends.
Therefore Joel should purchase the warehouse and lease it to Manatee to take the tax advantage and reduce his overall tax liability. Leasing assets to the corporation is legal also and corporation will pay rent to the owner and owner has to show it as rental income.
By this way the tax liability will be lower for the corporation. Joel will get deduction on the items like acquisition interest, depreciation, repairs and maintenance, insurance and administrative costs etc. This way the owner of the corporation can avoid double taxation of any gain from the asset’s appreciation and sale.
As there are limited liability for the owner in C Corporation so having more asset with owner and less with corporation is good strategic decision of a volatile industry.
Select the correct statement(s) regarding cellular control and traffic channels. a. When a mobile device in turned on, it connects to the nearest available base station through an available traffic channel b. Control and traffic channels are only allocated when a mobile device begins the process of making a phone call c. When a mobile device is turned on, it connects to the nearest available base station through a control channel d. All statements are correct
Answer:
c. When a mobile device is turned on, it connects to the nearest available base station through a control channel
Explanation:
A network is the communication and interconnection between Computer devices for sharing of data resources. The connection of these devices could be wireless or wired.
Wired network connection is the use of cables to connect devices, while wireless connection requires no wire.
Wireless communication could be electromagnetic, microwave, cellular etc. Cellular is mainly used for cell phone communication.
The cell phone has a database of cell tower connections and automatically connects to the nearest one through a control channel, when it's turned on.
Write three statements to print the first three elements of array runTimes. Follow each statement with a newline. Ex: If runTime = {800, 775, 790, 805, 808},print: 800 775 790import java.util.Scanner;public class PrintRunTimes {public static void main (String [] args) {int[] runTimes = new int[5];// Populate arrayrunTimes[0] = 800;runTimes[1] = 775;runTimes[2] = 790;runTimes[3] = 805;runTimes[4] = 808;/* Your solution goes here */return;}}
Answer:
Following are the code in the Java Programming Language.
//print first element of the array
System.out.println(runTimes[0]);
//Print second element of the array
System.out.println(runTimes[1]);
//print third element of the array
System.out.println(runTimes[2]);
Explanation:
Following are the description of the Program:
In the above program, There is the integer type array variable that is 'runTimes' and its index value is 5. Then, initialize values in the array one by one which means firstly, they insert in index 0, then in index 1, and so on. Finally, we have to print the first three elements of the array. So, we set the System.out.println() function three times to print array by passing array name and first three index value with it.
Print statements are used to display statements and expressions in a program.
The three print statements are:
System.out.println(arrayrunTimes[0]);System.out.println(arrayrunTimes[1]);System.out.println(arrayrunTimes[2]);The above statements are straightforward; however, we need to take not of the following highlights.
The question says, the print statement should print a new line, after printing each array element.
This can be achieved using System.out.println() or System.out.print('\n').
In this program, we used the former.
Also, array elements start its indices from 0.
This means that, the first element of the array is at index 0, the second is at index 1, and so on.
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The Internet has made going global easier than it has ever been, but the promise of "borderless commerce" remains restrained because of the a. cultural variations of the people visiting a website. b. old brick-and-mortar rules, regulations, and habits. c. system of floating exchange rates. d. demographic makeup of various people accessing a website.
Answer:
The correct option is B: Old brick-and-mortar rules, regulations, and habits
Explanation:
Globalization has been made possible because of the internet. However, the promise of what is considered "borderless commerce" is limited due to the old brick and mortar rules, regulations, and habits. Brick and mortar is considered the traditional businesses offering products and services to customer in a rented or owned store and requires face-to-face business. Hence globalization via the internet is limited because companies have to sort out their building and stores, follow every law and regulation to opening offices and other habits practiced by these brick-and-mortar businesses.
Task 1 (25 points): In database [your Pitt username], create the following entity tables: movies actors locations Each tables logical structure should correspond to the descriptions provided in this assignment. Use CREATE TABLE statement. Task 2 (20 points): In your database, create the following junction tables: movies_actors movies_locations Use CREATE TABLE statement to create junction tables. Task 3 (20 points): For each entity table, insert at least 3 rows using INSERT statement: At least 3 movies in the movies table At least 3 actors in the actors table At least 3 locations in the locations table You can make up your own data for the INSERT statements. Task 4 (10 points): For each junction table, create at least 2 relationships (insert at least two rows of appropriate IDs).
Answer:
Following is given the detailed solution for each part.
I hope it will help you!
Explanation:
Describe the basic features of the relational data model and discuss their importance to the end user and the designer. Describe the Big Data phenomenon.
Answer:
The answer to this question can be described as follows:
Explanation:
Relational data model:
The use of data tables to organize sets of entities into relationships requires a relational data model. this model work on the assumption, which is a primary key or code, that is included in each table configuration. The symbol for "relational" data links and information is used by other tables.
Model Design:
This model is used for database management, it consists of structure and language consistency. It is design in 1969.
Importance of data model:
This provides a common standard for processing the potentially sound data in machines, that was usable on almost any one device.
Big Data:
It moves to locate new and innovative ways to handle large volumes of authentication tokens and to gather business insights when offering high efficiency and usability at an affordable cost at the same time.
Describe the benefits of digital technology. Eric reads interesting information about MP3 players and wants to buy one. Which of the following tasks can he perform by using an MP3 playera. Send e-mail messages b. Play music c. Capture movies d. Create graphics
Answer:
b. Play music
Explanation:
Digital technology helps improve an existing process and makes things better. In this scenario of an MP3 player, digital technology takes care of music. Before a portable MP3 player came into the picture, people had to carry large physical records or multiple CD packs but now, a small device can hold thousands of those same songs in it.
Which of the following greedy strategies results in an optimal solution for the activity selection problem? Select all that applies. a. Earliest start time b. Latest finish time c. Earliest finish time d. Latest start time
Answer:
Option C and Option D.
Explanation:
When the title indicates, a greedy algorithm often makes the decision which imply to be the best overall. Which obviously makes a locally-optimal choice throughout the expectation that such a option can contribute to an answer that is generally optimal.
so, Earliest finish time and latest start time are the greedy methods resulting in an effective solution for the problems of operation selection.
Before you can use the Management Studio to work with the objects in a database, you must ___________ the database files (i.e., .mdf, .ldf files) to an instance of SQL Server. (one word, case insensitive, zero point if misspelled)
Answer:
You must attach the database files
Explanation:
An internet service provider has three different subscription packages for its customers. Package A: For $9.95 per month 10 hours of access are provided. Additional hours are $2.00 per hour. Package B: For $14.95 per month 20 hours of access are provided. Additional hours are $1.00 per hour. Package C: For $19.95 per month unlimited access is provided. Your task is to write a program that calculates a customer's monthly bill. The program must ask the user which package the customer has purchased and how many hours were used for the current month. It must then display the total amount due. In addition to calculating the monthly bill for the user's current package, your program must do the following: display how much money Package A customers would save if they purchased packages B or C, and how much money Package B customers would save if they purchased Package C. If there would be no savings, no message will be printed for a particular case.
Answer:
C++.
Explanation:
int main() {
const float package_A = 9.95;
const float package_B = 14.95;
const float package_C = 19.95;
const int package_A_extra = 2;
const float package_B = 1;
/////////////////////////////////////////////////////////////////////////////
int user_package_choice;
int hours_used;
cout<<"Your package? Enter option number,"<<endl;
cout<<"1. Package A"<<endl<<"2. Package B"<<"3. Package C";
cout<<endl;
cin<<user_package;
cout<<endl;
cout<<"Hours used?: ";
cin<<hours_used;
/////////////////////////////////////////////////////////////////////////////
cout<<endl;
float total_amount;
if (user_package_choice == 1) {
total_amount = package_A + ((hours_used - 10) * package_A_extra));
if (total_amount - (package_B + ((hours_used - 20) * package_B_extra)) > 0)
cout<<"If you had opted for Package B, you would have saved $"<<total_amount - (package_B + (hours_used * package_B_extra))<<endl;
if (total_amount - package_C > 0)
cout<<"If you had opted for Package C, you would have saved $"<<total_amount - package_C;
}
else if (user_package_choice == 2) {
total_amount = package_B + ((hours_used - 20) * package_B_extra);
if (total_amount - package_C > 0)
cout<<"If you had opted for Package C, you would have saved $"<<total_amount - package_C;
}
else {
total_amount = package_C;
}
return 0;
}
Final answer:
A program is needed to compute a customer's monthly internet bill based on their subscription package and calculate potential savings for switching to other packages.
Explanation:
The task involves writing a program to calculate a customer's monthly bill based on the subscription package for internet access. There are three packages: Package A offers 10 hours for $9.95 with additional hours at $2 each, Package B provides 20 hours for $14.95 with additional hours at $1 each, and Package C offers unlimited access for $19.95. The program will also calculate potential savings for customers of Package A if they switch to Package B or C, and for Package B customers if they switch to Package C, provided switching would result in savings.
According to a study by Merrill Lynch and Gartner, what percentage of all corporate data is captured and stored in some sort of unstructured form?
Answer:
85 %
Explanation:
Historically, data warehouses had been formed using structured repetitive data that was filtered before entering the data warehouse. However, in recent years, the data warehouse has evolved due to contextual information that can now be attached to unstructured data and that can also be stored.
Those first structured relational data could not be mixed and matched for analytical subjects with unstructured textual data. But with the advent of contextualization, these types of analyzes can now be done naturally and easily.
Classic analytical processing of transaction-based data is performed in the data warehouse as it has always been done. Nothing has changed there. But now you can become analytical about contextualized data, and that form of analysis is new. Most organizations, until now, did not have to base their decision making on unstructured textual data. And now there is a new way of analysis possible in a Data Warehouse: the possibility of mixing analysis. The combined analysis is performed by a combination of structured transactional data and unstructured contextual data.
According to a research by Merrill Lynch indicates that 85 % of all coporate date is stored in some sort of unstructured form like data warehouse.
_____ verifies that an individual demonstrated a certain level of knowledge and skill on a standardized test.
Answer:
Certification
Explanation:
Certification verifies that a person has appropriate experience and skills to carry out their task or job.
This is achieved through some test or examination, through some professional training or by gaining some work experience.
This provides with the credentials required to perform their jobs efficiently with proficient skills that can be trusted by companies and customers.
For example having an IT certification means having necessary skills to perform IT related tasks. IT field is a vast field which keeps evolving with time so being an IT certified refers to having updated knowledge about dynamic computer and information technologies.
TV stations in the U.S. normally broadcast horizontally-polarized signals. Is this TV antenna mounted correctly, or should it be rotated?
It would be best to start positioning the antenna horizontally because the majority of TV transmitters are horizontally polarized. Antennas from One For All can pick up both horizontal and vertical signals.
What TV networks horizontally polarized programming?The most used antennas for television broadcasting emit signals that are horizontally polarized. In other words, the TV signal's plane is perpendicular to the earth's surface.
Aside from this, however, evidence suggests that using horizontal polarization at UHF gives benefits due to the higher directivity achievable at the receiving antennas, which lessens the impact of reflected waves, especially in urban areas.
Therefore, Outdoor TV antennae are placed horizontally rather than vertically because of this.
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A TV antenna should be oriented horizontally for optimal reception of horizontally-polarized signals. Aligning a straight wire antenna or a loop antenna correctly ensures the strongest possible reception. Short wave antennas have a different orientation to utilize the ionosphere for long-distance signal transmission.
For optimal reception of horizontally-polarized signals, a TV antenna should be oriented horizontally. This alignment maximizes the pickup of the electric component of the electromagnetic wave, which is crucial for a clear signal. Conversely, if signals are broadcast using a vertical transmitter antenna, a straight wire antenna should be vertical to best receive the radio waves. This is essential because the strongest signal radiates perpendicularly to the antenna, ensuring equal signal distribution in all horizontal directions. A loop antenna should be aligned so that its plane is perpendicular to the direction of the incoming signal for the best reception. This plane orientation allows the loop antenna to maximize the induction of current by the electromagnetic waves, enhancing the received signal's strength.
In the context of signal reception at long distances, short wave antennas may be oriented horizontally so the signal can bounce off the ionosphere and travel a greater distance back to Earth. For TV signals, the video component is usually transmitted as amplitude modulation (AM), while the audio is frequency modulation (FM). It's important to note that these are characteristics of over-the-air broadcasting using traditional rooftop antennas, as opposed to satellite dishes or cable systems, which operate at significantly higher frequencies and use different technologies such as high-definition (HD) formats.
Discuss what technologies you might see in use at an enterprise. For example, where would you most likely see fiber-optic Ethernet technologies? Or where might wireless technologies be deployed?
There are various connectivity technologies that we use to connect. They are Ethernet, Internet (Wireless Connection), Bluetooth, Wi-Fi and Cellular.
Explanation:
Ethernet is the direct connection among the devices that are located close to each other in a building. This is used for small scale enterprises.Wi-Fi lets wireless connections among multiple devices without any physical connection. And it is most extensively used in most of the corporate companies.Bluetooth is used to transfer the data from one device to the other when they are near.Cellular is used to connect people across the globe. And it is used widely in every enterprises.Final answer:
In an enterprise, fiber-optic Ethernet is used for its high bandwidth and long-distance capabilities, typically in the network backbone, while wireless technologies like Wi-Fi are deployed for their convenience and mobility in offices and meeting spaces. The use and impact of technology can vary across different contexts, and strategic decisions must be made when developing IT infrastructures to ensure efficiency and security.
Explanation:
In an enterprise, you might see a range of technologies in use, each tailored to specific needs and applications. Fiber-optic Ethernet technologies, for instance, are often found in the backbone of an enterprise’s network infrastructure where high bandwidth and long-distance communication are essential.
They might be used to connect data centers, mainframes, or to handle high-speed internet connections for the entire organization.
Wireless technologies, on the other hand, are typically deployed in areas where mobility is important or where it is impractical to run physical cabling.
This includes offices for Wi-Fi connections to laptops and smartphones, warehouses for barcode scanning devices, and meetings or conference rooms to facilitate presentations and collaborative work without the need for physical connections.
Wi-Fi is an example of a wireless service that has become indispensable in both professional and personal contexts, offering convenience and mobility.
When considering the integration of technology, it's important to assess the impact it has on communication across various contexts, such as academic, professional, and personal.
Engagement with technology can vary greatly; for example, the use of sophisticated online platforms may be prevalent in professional settings, while personal communication might still favor traditional methods like phone calls or face-to-face interactions in certain contexts.
Additionally, the development of efficient and secure physical IT infrastructures to facilitate public e-services requires a strategic approach, weighing options such as outsourcing versus in-house development based on criteria like security and transmission capacity.
In this lab, you use the pseudocode in figure below to add code to a partially created Python program. When completed, college admissions officers should be able to use the Python program to determine whether to accept or reject a student, based on his or her class rank.
start
input testScore, classRank
if testScore >= 90 then
if classRank >= 25 then
output "Accept"
else
output "Reject"
endif
else
if testScore >= 80 then
if classRank >= 50 then
output "Accept"
else
output "Reject"
endif
else
if testScore >= 70 then
if classRank >= 75 then
output "Accept"
else
output "Reject"
endif
else
output "Reject"
endif
endif
endif
stop
Instructions
Study the pseudocode in picture above.
Write the interactive inputstatements to retrieve:
A student’s test score (testScoreString)
A student's class rank (classRankString)
Write the statements to convert the string representation of a student’s test score and class rank to the integer data type (testScoreand classRank, respectively).
The rest of the program is written for you.
Execute the program by clicking the "Run Code" button at the bottom and entering 87for the test score and 60 for the class rank.
Run the program again by entering 60 for the test score and 87 for the class rank.
Answer:
Python code is given below with appropriate comments
Explanation:
#Prompt the user to enter the test score and class rank.
testScore = input()
classRank = input()
#Convert test score and class rank to the integer values.
testScore = int(testScore)
classRank = int(classRank)
#If the test score is greater than or equal to 90.
if(testScore >= 90):
#If the class rank is greater than or equal to 25,
#then print accept message.
if(classRank >= 25):
print("Accept")
#Otherwise, display reject message.
else:
print("Reject")
#Otherwise,
else:
#If the test score is greater than or equal to 80.
if(testScore >= 80):
#If class rank is greater than or equal to 50,
#then display accept message.
if(classRank >= 50):
print("Accept")
#Otherwise, display reject message.
else:
print("Reject")
#Otherwise,
else:
#If the test score is greater than or equal to
#70.
if(testScore >= 70):
#If the class rank is greater than or equal
#to 75, then display accept message.
if(classRank >= 75):
print("Accept")
#Otherwise, display reject message.
else:
print("Reject")
#Otherwise, display reject message.
else:
print("Reject")